FR2416487A1 - RETROREFLECTOR STRUCTURES - Google Patents

RETROREFLECTOR STRUCTURES

Info

Publication number
FR2416487A1
FR2416487A1 FR7902496A FR7902496A FR2416487A1 FR 2416487 A1 FR2416487 A1 FR 2416487A1 FR 7902496 A FR7902496 A FR 7902496A FR 7902496 A FR7902496 A FR 7902496A FR 2416487 A1 FR2416487 A1 FR 2416487A1
Authority
FR
France
Prior art keywords
elements
retroreflective
retroreflector structures
retroreflector
structures
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7902496A
Other languages
French (fr)
Other versions
FR2416487B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of FR2416487A1 publication Critical patent/FR2416487A1/en
Application granted granted Critical
Publication of FR2416487B1 publication Critical patent/FR2416487B1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00605—Production of reflex reflectors
    • B29D11/00615—Production of reflex reflectors moulded by partially embedding reflective elements, e.g. glass beads, into the surface of a support, e.g. to make prefabricated road markings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
    • E01F9/524—Reflecting elements specially adapted for incorporation in or application to road surface markings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface
    • G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix

Abstract

Signe rétroréflecteur de régulation de trafic, disposé sur la surface d'une route, du genre comprenant des éléments rétroréflecteurs, destinés à réfléchir un faisceau de lumière envoyé sur eux par des sources lumineuses portées par une automobile. Un certain nombre d'éléments rétroréflecteurs individuels sont sélectivement prévus dans une matière primaire plane comprenant un plus grand nombre de tels éléments. Application : signalisation superficielle pour routes.Traffic control retroreflective sign, arranged on the surface of a road, of the kind comprising retroreflective elements, intended to reflect a beam of light sent on them by light sources carried by an automobile. A number of individual retroreflective elements are selectively provided in a planar primary material comprising a greater number of such elements. Application: surface signage for roads.

FR7902496A 1978-01-31 1979-01-31 RETROREFLECTRIC STRUCTURES Expired FR2416487B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19827/78A IT1092491B (en) 1978-01-31 1978-01-31 IMPROVEMENT OF REFLECTIVE MATERIALS (REFLECTORS) FOR HORIZONTAL ROAD SIGNS, AND PROCEDURE FOR THEIR MANUFACTURE

Publications (2)

Publication Number Publication Date
FR2416487A1 true FR2416487A1 (en) 1979-08-31
FR2416487B1 FR2416487B1 (en) 1985-09-20

Family

ID=11161608

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902496A Expired FR2416487B1 (en) 1978-01-31 1979-01-31 RETROREFLECTRIC STRUCTURES

Country Status (10)

Country Link
US (1) US4416510A (en)
JP (1) JPS54121095A (en)
AU (1) AU4371379A (en)
BR (1) BR7900576A (en)
CA (1) CA1112623A (en)
DE (1) DE2903302A1 (en)
FR (1) FR2416487B1 (en)
GB (1) GB2013265B (en)
IT (1) IT1092491B (en)
SE (1) SE7900800L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5450236A (en) * 1990-02-07 1995-09-12 Storra Aktiebolag Reflector, especially for display signs and road signs and a sign manufactured thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4607978A (en) * 1982-08-23 1986-08-26 Ludwig Eigenmann Method and equipment for improving horizontal marking strips
IT1212829B (en) * 1983-07-06 1989-11-30 Eigenmann Ludwig IMPROVEMENT OF METHODS AND EQUIPMENT FOR CUTTING AND DEPOSIT OF REFLECTIVE PEARL AGGLOMERATES AND SIGNALING STRIP INCLUDING SUCH AGGLOMERATES.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1245834A (en) * 1967-09-05 1971-09-08 Ludwig Eigenmann Roadway surface marking, and marked road
FR2295435A1 (en) * 1974-12-20 1976-07-16 Bagshaw Robert REFLECTIVE COATING INTENDED IN PARTICULAR FOR A ROAD SAFETY ACCESSORY
US4069281A (en) * 1974-09-30 1978-01-17 Ludwig Eigenmann Prefabricated roadway marking strip material and method for producing same
US4108536A (en) * 1976-01-14 1978-08-22 Ludwig Eigenmann Retroreflective roadway surface marking tape material

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB595662A (en) * 1943-03-12 1947-12-11 Thoger Gronborg Jungersen Improvements in optical reflecting material
US2243434A (en) * 1938-04-25 1941-05-27 Edward W Menke Reflector
US3155764A (en) * 1960-03-24 1964-11-03 Karl W Flocks Flexible weatherproof reflex light reflector sheet and sign made thereof
CH441416A (en) * 1965-06-09 1967-08-15 Bollag Moses Process for manufacturing a reflective coating for road marking, device for its implementation and coating thus obtained
GB1107799A (en) * 1965-07-19 1968-03-27 Tarkett Ab Improvements in or relating to light reflecting road marking materials, and methods for their manufacture
IT993807B (en) * 1973-08-29 1975-09-30 Eigenmann Ludwig IMPROVEMENTS TO REFLECTIVE ELEMENTS, IN PARTICULAR FOR ROAD SIGNS AND RELATED IMPROVED ELEMENTS
US3972586A (en) * 1974-08-19 1976-08-03 International Tools (1973) Ltd. Roadway marker and reflector therefor
JPS5165596A (en) * 1974-12-04 1976-06-07 Kazunari Jinguji
SE7513915L (en) * 1975-01-10 1976-07-12 Minnesota Mining & Mfg COVERING MATERIAL FOR MAKING SUBSTRATES RETURNING REFLECTIVE
US4072403A (en) * 1975-07-16 1978-02-07 Ludwig Eigenmann Retro-reflecting assembly
FR2319432A1 (en) * 1975-07-29 1977-02-25 Beltrami Ernest Coating material application roller - has smooth plastics sleeve with end flanges for handle stirrup

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1245834A (en) * 1967-09-05 1971-09-08 Ludwig Eigenmann Roadway surface marking, and marked road
US4069281A (en) * 1974-09-30 1978-01-17 Ludwig Eigenmann Prefabricated roadway marking strip material and method for producing same
FR2295435A1 (en) * 1974-12-20 1976-07-16 Bagshaw Robert REFLECTIVE COATING INTENDED IN PARTICULAR FOR A ROAD SAFETY ACCESSORY
US4108536A (en) * 1976-01-14 1978-08-22 Ludwig Eigenmann Retroreflective roadway surface marking tape material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5450236A (en) * 1990-02-07 1995-09-12 Storra Aktiebolag Reflector, especially for display signs and road signs and a sign manufactured thereof
EP0514466B1 (en) * 1990-02-07 1996-01-03 Storra Aktiebolag Reflector, especially for display signs and road signs, and a sign manufactured thereof

Also Published As

Publication number Publication date
IT1092491B (en) 1985-07-12
SE7900800L (en) 1979-08-01
BR7900576A (en) 1979-08-28
FR2416487B1 (en) 1985-09-20
GB2013265A (en) 1979-08-08
CA1112623A (en) 1981-11-17
AU4371379A (en) 1979-08-09
US4416510A (en) 1983-11-22
DE2903302A1 (en) 1979-08-02
IT7819827A0 (en) 1978-01-31
GB2013265B (en) 1982-03-03
JPS54121095A (en) 1979-09-19

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Legal Events

Date Code Title Description
ST Notification of lapse